1 Samuel 20:17
And Jonathan will add to cause David to swear in his loving him; as loving his soul he loved him.
1 Samuel 18:1
And it will be as he finished to speak to Saul, and the soul of Jonathan was bound with the soul of David, and Jonathan will love him as his soul.
1 Samuel 18:3
And Jonathan and David will cut out a covenant in his loving him as his soul
Deuteronomy 13:6
When thy brother, the son of thy mother, shall entice thee, or thy son, or thy daughter, or the wife of thy bosom, or thy friend who is as thy soul, in secret, saying, We will go and serve other gods which thou knewest not, thou, and thy fathers;
2 Samuel 1:26
Distress to me for thee, my brother Jonathan: thou wert sweet to me exceedingly: thy love to me was wonderful above the love of women.
Proverbs 18:24
A man of friends for making friendship: and there is love attaching more than a brother.